UT700 Datasheet, PDF (22/46 Pages) Aeroflex Circuit Technology – UT700 32-bit Fault-Tolerant SPARCTM V8/LEON 3FT Processor

3.7 AC Electrical Characteristics for LVCMOS3 Inputs and Outputs (pre- and post-radiation)
(V_DD = 3.3V + 0.3V; V_DDC = 1.2V + 0.1V; T_C = -55^oC to 105^oC)
Symbol
Description
Conditions
Min
f_CLK System clock frequency
--
t_HIGH System clock high time
2.4
t_LOW System clock low time
2.4
t_DSD1 ^{System clock to SDRAM clock propagation}
2.0
delay
Notes:
1. Reference Figure 17 for test load.
Max
Units
166
MHz
--
ns
--
ns
6.0
ns
SYSCLK
SDCLK
SDCLK
(SYSCLK / 2)
1/f_CLK
t_HIGH
t_LOW
t_DSD
t_DSD
t_DSD
t_DSD
Figure 2. System Clock and SDCLK Timing Diagram
36-00-00-000
Ver. 1.3.1
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